The Bug (binary 1111) is the 15th trump or Major Arcana card in this Tarot deck.
The Bug card depicts the problem as the ancient ladybug on a motherboard. In engineering, a **bug** is a defect in the design, manufacture or operation of machinery, circuitry, electronics, [hardware](https://en.wikipedia.org/wiki/Computer_hardware), or [software](https://en.wikipedia.org/wiki/Software) that produces undesired results or impedes operation. As the term "bug" have been used to describe a malfunction on a system or hardware, a ladybug also means lucky. If you catch a bug on a system and you can resolve it, you were in lucky as small issues can lead to massive problems. It means perseverance and dedication to small details, that you should always have the patience to test it out what you just did, otherwise you will catch a ladybug.